baber/WOPTO huggingface dataset:
Patent WO-2019085738-A1 (WO)
Inventor: LI WENWEI
IPC: D06F58/22
Filed: 2018-10-16
Abstract: 一种自动清洗的过滤装置（28）及衣物处理设备（10），所述的过滤装置（28）包括管状支撑结构（43）、过滤结构和清洗结构，所述的管状支撑结构（43）的内部具有供气体流通的通道（81），过滤结构由管状支撑结构（43）的外周向内插入到管状支撑结构（43）中，使通道内流通的气体经过滤结构过滤，所述的清洗结构设置在过滤结构的上方，向过滤结构中输送洗涤液体冲洗过滤结构。本发明的自动清洗的过滤装置（28）不需要取出，在原位置便能够自动进洗涤液体冲刷过滤结构上的线屑，可以减少用户的使用负担，省时省力，并保证衣物处理设备（10）的整体美观性；同时，能够提供充足的洗涤液体和压力进行可持续性的清洗，避免阻塞。
Patent WO-2019200882-A1 (WO)
Title: Heat dissipation component and intelligent terminal
Inventor: DUAN HAITAO
IPC: H05K7/20
Filed: 2018-10-26
Abstract: Provided in the utility model are a heat dissipation component and an intelligent terminal. The heat dissipation component comprises a heat dissipating module and a heat conducting shell, wherein the heat dissipating module is coupled with the heat conducting shell for heat conduction. The heat conducting shell comprises a first plate and a second plate, the first plate being fixedly connected with the second plate and forming a vacuum chamber; The heat dissipating module is sandwiched between the first plate and the second plate, wherein the second plate is provided with a support structure on a mounting face which faces the first plate and the heat dissipating module, to support the first plate and heat dissipating module. By adopting the above technical solution, a forming structure of the heat dissipation component can be directly applied to an inner casing or a main casing of the intelligent terminal, so that the heat conduction efficiency of the inner casing or the main casing of the intelligent terminal is improved, the heat dissipation capability of a structural member located at the corresponding position of the heating element is significantly improved, and the user experience is optimized.
Patent WO-2019095992-A1 (WO)
Inventor: TU GUANFU
IPC: E21B10/14
Filed: 2018-10-30
Abstract: L'invention concerne un trépan hybride pourvu de cônes à dents insérées. Le trépan hybride pourvu de cônes à dents insérées comprend un corps de trépan (101), des ailes de coupe (102) disposées sur le corps de trépan, de multiples dents de coupe fixes (104) disposées côte à côte le long des bords extérieurs des ailes de coupe, et des cônes (106) montés sur le corps de trépan et disposés en quinconce avec les ailes de coupe dans le sens circonférentiel du corps de trépan. Chaque cône comprend de multiples barres de dents de coupe de cône disposées côte à côte dans le sens de la longitude du cône. Chaque barre de dents de coupe de cône comprend de multiples dents de coupe de cône (107) disposées côte à côte dans le sens de la latitude du cône. Deux dents de coupe de cône adjacentes de chaque barre de dents de coupe de cône sont disposées de manière espacée, et les dents de coupe de cône des barres de dents de coupe de cône adjacentes sont disposées en quinconce. Les structures des dents de coupe de cône sur les multiples cônes sont les mêmes.
Patent WO-2019184352-A1 (WO)
Title: Slicing and punching device for mobile phone touch screen
Inventor: FAN YUNHAO
IPC: B26F1/40
Filed: 2018-11-02
Abstract: Disclosed is a slicing and punching device for a mobile phone touch screen, the slicing and punching device comprising a base plate (1), a rear side plate (2), a top plate (3), a hydraulic cylinder (4), an electrical control box (5), a hydraulic station (6), and a workbench (7); comprising a fixed cutter sleeve (8), a sliding rod (9), four sets of limiting guide rods (10), a sliding cutter holder (11), a pressing block (12), a soft rubber pressing plate (13), a second cutter (14), and a first buffer spring (15); and further comprising a supporting block (16), four sets of second buffer springs (17), a left sliding plate (18) and a right sliding plate. A cutter groove corresponding to a second cutter box is provided at the top end of the workbench, the top end of the left sliding plate is connected to the left side of the bottom end of the workbench, the top end of the right sliding plate is connected to the right side of the bottom end of the workbench, and the bottom end of the supporting block is connected to the middle part of the top end of the base plate. The shearing movement path of the slicing punching device is not easily affected by an external force, and the workbench can be buffered to prevent shearing failure due to hard stamping, thereby having an uniform force distribution, preventing breakages, and having an improved yield.
Patent WO-2020073413-A1 (WO)
Inventor: Liao min'an
IPC: B24B29/02
Filed: 2018-11-13
Abstract: A polishing machine for the concave surface of curved glass. The polishing machine for the concave surface of curved glass comprises a polishing device, a cleaning device, and a rotating device. The polishing device comprises polishing discs (207) which can rotate around the axes of the polishing discs (207) to polish a concave surface part of curved glass; the cleaning device comprises a jet nozzle connected to a fluid source and is used for spraying a fluid onto the curved glass; the rotating device comprises jigs (104) capable of moving between a plurality of stations; the jigs (104) are used for placing the curved glass so that the curved glass can pass through the multiple stations. The polishing machine is capable of efficiently polishing the concave surface part of the curved glass and achieves a good polishing effect, and all parts of the concave surface part can be evenly polished; and impurities on the surface of the device and the glass can be completely removed, the cleaning efficiency is high, and the automation degree is high.
Patent WO-2019223255-A1 (WO)
Inventor: Hao changping
IPC: C03B37/025
Filed: 2018-11-13
Abstract: 一种挂棒装置，包括塔架，所述塔架上设有挂棒工位；多个挂棒部，所述挂棒部设置于所述塔架上；设置在所述塔架上的挂棒平台，所述挂棒平台设置为固定光纤预制棒，所述挂棒平台设置有多个，且所述挂棒平台一一对应设置在所述挂棒部上；其中，所述挂棒部上的所述挂棒平台均能够移动或者旋转至所述挂棒工位上，多个挂棒平台交替地移动或者旋转至所述挂棒工位上。
Patent WO-2019161684-A1 (WO)
Inventor: YANG PENGYUAN
IPC: A61P37/00
Filed: 2018-11-14
Abstract: 本发明提供重组蛋白或其衍生物，所述重组蛋白具有CC趋化因子受体4(CCR4)的N端部分的氨基酸序列。本发明还提供所述重组蛋白或其衍生物在治疗或预防与CCR4信号传导相关的疾病或状况中的用途。
Patent WO-2019120034-A1 (WO)
Title: Road and bridge caulking asphalt and preparation method therefor
Inventor: XU WEIWEI
IPC: C08K9/02
Filed: 2018-11-22
Abstract: Disclosed in the present invention is a road and bridge caulking asphalt, comprising the following ingredients: petroleum asphalt, a compatibilizer, a stabilizer, an antioxidant, a flow modifier, a modified graphene oxide, a modified bagasse molecular sieve, and SBS. A network structure can be formed inside the asphalt without crosslinking by adding the graphene oxide and bagasse molecular sieve, and the network structure has good impact resistance. At high temperatures, part of aluminum hydroxide and iron oxide may form a high temperature resistant and highly stable iron-aluminum spinel structure which attaches to the formed network structure, so that the structure is more stable, has better high and low temperature resistance, and at the same time has waterproof, UV resistant, flame retardant functions. The modification of the bagasse molecular sieve results in better reaction effect in the subsequent reaction with aluminum hydroxide. In summary, the road and bridge caulking asphalt of the present invention can still be normally used for a long period of time under an extreme temperature difference environment.
Patent WO-2019105381-A1 (WO)
Inventor: CHENG TONG
IPC: C12N15/11
Filed: 2018-11-28
Abstract: 一种用于检测乳腺肿瘤的分级模型及其应用，该模型通过计算印记基因缺失表达量、印记基因拷贝数异常表达量和印记基因总表达量对印记基因在乳腺肿瘤中的变化进行分级。所述检测模型和装置，以直观的方法表现了印记缺失在乳腺肿瘤病人的组织和细胞样本上的表现，通过对印记基因原位标记的方法，客观、直观、早期、精确地检测出印记（迹）基因的变化，并可以提供量化的模型。
Patent WO-2020107334-A1 (WO)
Inventor: HUANG XIDI
IPC: G01F1/56
Filed: 2018-11-29
Abstract: 一种电磁流量计（4000）和具有该电磁流量计（4000）的植保无人机，电磁流量计（4000）包括：外壳（8），具有容纳空间；支架（1），安装在容纳空间内；管道（2），设于支架（1），管道（2）的两个开口端露出支架（1）外；两个电极（3），相对设置在支架（1）的两侧，两个电极（3）的检测端分别穿过支架（1）和管道（2）的侧壁后，与流经管道（2）内的液体相接触，两个电极（3）的检测端相对设置；两个信号采集板（4），与两个电极（3）对应设置在支架（1）的同一侧，用于采集对应侧电极（3）的信号；以及两个线圈组件（5），相对设于支架（1）的另外两侧；至少一个信号采集板（4）上设有接地插孔（61），电磁流量计（4000）还包括接地连接件（500），接地连接件（500）穿过接地插孔（61）固定在外壳（8）的内侧壁，使得外壳（8）接地。
Patent WO-2020107405-A1 (WO)
Inventor: ROPER MATTHEW
IPC: G06F9/455
Filed: 2018-11-30
Abstract: Apparatus and method for Implementing a virtual display. For example, one embodiment of a graphics processing apparatus comprises host execution circuitry to execute instructions to implement a host and virtua!ization instructions to implement a virtualized execution environment comprising a plurality of virtual machines (VMs); graphics execution circuitry to execute graphics instructions to render framebuffers on behalf of each VM, each framebuffer associated with a virtual function (VF); and a display engine comprising one or more display pipes and a plurality of display planes; wherein a dynamic mapping is to be performed to associate one or more of the framebuffers to one or more of the display planes, the dynamic mapping comprising generating a framebuffer object with framebuffer information required by a physical function (PF) of the host to update the one or more display planes.
Patent WO-2020000911-A1 (WO)
Inventor: LI ZEYONG
IPC: A47J27/00
Filed: 2018-12-10
Abstract: A cooking device (100) comprises a pot body (110), a cover body (120), an air inlet (152), and an air transfer device (153). An inner pot (130) is arranged inside the pot body (110). The cover body (120) is arranged on the pot body (110) and capable of opening and closing. When the cover body (120) covers and closes the pot body (110), a cooking space (140) is formed between the cover body (120) and the inner pot (130). The cover body (120) is provided with an air suction port (151) for sucking in exterior air and a steam outlet (182) for venting out steam. The air inlet (152) communicates with the cooking space (140). The air transfer device (153) communicates with the air inlet (152) via an air inlet line (155), and communicates with the air suction port (151) via an air suction line (154). The steam outlet (182) surrounds the air suction port (151). The cooking device (100) can prevent spilling. In addition, steam vented out of the steam outlet (182) will form a steam screen that is closed or continuous in the circumferential direction around and above the air suction port (151), so as to filter air sucked into the air suction port (151) and prevent impurities such as grease and smoke from being sucked into the air suction port (151), thus preventing grease or dirt stains from being left in air lines or even clogging them, and also preventing the taste of the food from being affected.
Patent WO-2019205658-A1 (WO)
Title: Sound producing device, sound producing module, and electronic terminal
Inventor: CHENG HANLONG
IPC: H04R9/02
Filed: 2018-12-11
Abstract: The present application discloses a sound producing device, a sound producing module, and an electronic terminal. The sound producing device comprises a magnetic circuit system, a vibration assembly, and a circuit board. The magnetic circuit system comprises: a magnetic yoke; and a central magnetic portion and a side magnetic portion which are disposed on the magnetic yoke. At least one of the central magnetic portion and the side magnetic portion comprises a permanent magnet. A magnetic gap is formed between the central magnetic portion and the side magnetic portion. An accommodation slot is formed at a side of the side magnetic portion away from the magnetic gap. The vibration assembly comprises a diaphragm and a voice coil. One end of the voice coil is connected to the diaphragm, and the other end extends into the magnetic gap of the magnetic circuit system. The circuit board has an annular shape, and is inserted into the accommodation slot of the magnetic circuit system. The sound producing device of the present application has a more compact structure, thereby facilitating miniaturization and a lightweight design. In addition, the side magnetic portion is provided with the accommodation slot at the periphery, thereby enabling concentration of magnetic induction lines and improving field strength in the magnetic gap.
Patent WO-2020132978-A1 (WO)
Title: 加密通信方法、装置、系统及计算机存储介质
Inventor: GAO YANG
IPC: H04L29/06
Filed: 2018-12-26
Abstract: 一种加密通信方法、装置、系统以及计算机可读存储介质。该加密通信方法应用于无人机的RTK设备。所述加密通信方法包括：从所述RTK设备获取所述RTK设备的标识(S31)，所述标识包括所述RTK设备的序列号(Serial Number，)和/或所述RTK设备的星历数据；使用所述标识向安全服务器请求认证证书(S32)；接收所述安全服务器反馈的加密信息，所述加密信息包括基于所述标识加密后的认证证书(S35)；向所述RTK设备发送所述加密信息(S36)。后续，只有具有该标识的真实RTK设备才能够使用本地的标识生成正确的密钥，该密钥可以用于解密出该认证证书。从而，该真实RTK设备可以使用该认证证书通过安全服务器的安全认证，并与安全服务器建立通信。
Patent WO-2020132979-A1 (WO)
Title: 设备带及其工作方法
Inventor: ZHOU RONG
IPC: F24F8/20
Filed: 2018-12-26
Abstract: 一种设备带及其工作方法，设备带包括：设备带本体（11）及气体消杀系统（12），设备带本体（11）内部形成有空腔（10），气体消杀系统（12）包括：进气口（121），消杀装置（123）和出气口（124）；消杀装置（123）设置在空腔（10）中，消杀装置（123）形成从进气口（121）到出气口（124）的气流，气流由进气口（121）进入，并经过消杀装置（123）从出气口（124）排出。采用在设备带的空腔内直接设置集抽气和消杀功能于一体的消杀装置，通过消杀装置提供的负压，能够及时将病人呼出的气体吸走，并及时进行消杀处理，满足了病房内空气消杀处理的使用需求。此种将消杀装置直接设置在设备带内，不占用额外的空间，从而节约了病房空间，能够实现病房内气体消毒净化的简便易用和及时有效。
Patent WO-2020133180-A1 (WO)
Inventor: TIAN YE
IPC: G06T7/00
Filed: 2018-12-28
Abstract: 本发明提供了一种基于人工智能的正畸方法及装置，所述方法包括获取标注口腔CT影像数据；所述标注口腔CT影像数据中以标注的形式圈出每一帧图像上的牙齿区域；圈出的区域标注出相应牙齿编号，非牙齿区域置为0；将所述标注口腔CT影像数据输入第二生成器以得到以编码形式表征的正畸方案；根据所述正畸方案，结合所述标注口腔CT影像数据得到的牙齿三维数字化模型得到可打印的牙列模型；基于所述牙列模型制作矫治器。本发明使用了多种机器学习模型，实现了从牙齿三维数字化获取到模型制造全过程的自动化，不易受到医生个人的主观影响，还能够提高诊疗效率。
Patent WO-2020140262-A1 (WO)
Title: 验证方法、终端设备与服务器
Inventor: XIE HUI
IPC: G06K17/00
Filed: 2019-01-04
Abstract: 本发明提供一种产品验证方法、终端及服务器，该方法包括：按照预定条件，捕获一待验证目标产品的表面上具有第一特征标记的预定区域的区域图像，所述区域图像包括第一特征标记图像，且该第一特征标记图像具有反映所述第一特征标记的微观结构的图像要素；向服务器发送验证请求，该验证请求包括所述区域图像；从所述服务器接收作为所述验证请求的响应的验证结果，其中所述服务器基于从所述区域图像中提取的所述待验证目标产品的标识、验证指纹特征以及事先注册的注册指纹特征产生所述验证结果。本发明可以直接利用激光刻录标记的微观结构特征来产生指纹，在提高防伪安全性的同时对当前的产品生产工艺不需要做任何调整。
Patent WO-2019210705-A1 (WO)
Title: Circuit and method for adjusting display brightness level, and display apparatus
Inventor: WANG LONG
IPC: G09G3/36
Filed: 2019-01-07
Abstract: A circuit (100) and method for driving a display panel to display an image with improved brightness uniformity are disclosed. In the circuit (100), an image information extraction sub-circuit (110) extracts, and sends to a compensation processing sub-circuit (120), display information of each of the plurality of pixels (51a, 52a, 51b, 52b, 52c, 51d, 52d) based on the image. The compensation processing sub-circuit (120) then divides a display region of the display panel into a plurality of sub-regions, obtains an average brightness value of each sub-region, and further determines whether a compensation is needed for displaying the image based on a uniformity of the average brightness values of all sub-regions. If so, the compensation processing sub-circuit (120) further performs compensation to an input voltage and/or an effective light output area of each of the pixels (51a, 52a, 51b, 52b, 52c, 51d, 52d) to be lightened in each sub-region to thereby obtain an improved brightness uniformity when displaying the image.
Patent WO-2019179268-A1 (WO)
Inventor: DAI JIANQIANG
IPC: H04L5/00
Filed: 2019-02-18
Abstract: Disclosed in an embodiment of the present application are a method and device for transmitting a reference signal, the method comprising: generating a pilot signal according to a pilot sequence corresponding to a first time-frequency pilot block, the first time-frequency pilot block comprising N time domain symbols, and N being an integer greater than 1; the pilot sequence corresponding to the first time-frequency pilot block is obtained by a pilot sequence corresponding to a second time-frequency pilot block, the second time-frequency pilot block comprising L time domain symbols, and L being less than N; transmitting the pilot signal.
Patent WO-2020124803-A1 (WO)
Inventor: Ma yalong
IPC: G06K9/00
Filed: 2019-03-11
Abstract: A fingerprint identification structure of a display screen, comprising a fingerprint module (10), a substrate layer (20), an organic light-emitting layer (40), and a surface layer (50). The substrate layer (20) is arranged on the fingerprint module (10), a hollow space (30) is defined between the substrate layer (20) and the fingerprint module (10), and a plurality of total reflection resistance structures (11) is arranged on the side of the substrate layer (20) facing the fingerprint module (10); the organic light-emitting layer (40) is arranged on the substrate layer (20); the surface layer (50) is arranged above the organic light-emitting layer (40). Therefore, when each beam of light passing through a conical structure is incident on a conical surface, if total reflection occurs, only partial reflection occurs on the other side, which is equivalent to changing part of totally reflected light as partially reflected light, i.e., the percentage of transmitted light is increased, so that brightness of light capable of being received by the fingerprint module is also increased accordingly, and thus the sensitivity of the fingerprint module is improved.
Patent WO-2019184865-A1 (WO)
Title: Mobile terminal, and mobile terminal-based vehicle remote control method and system
Inventor: DU XIAOWEN
IPC: G06F21/30
Filed: 2019-03-25
Abstract: Disclosed are a mobile terminal-based vehicle remote control method and system. The vehicle remote control method comprises the following steps of: receiving a password instruction of a user by means of the same unlock interface of a mobile terminal when the mobile terminal is in a screen lock state; and determining the type of the password instruction and controlling, according to the type of the password instruction, an unlock screen of the mobile terminal corresponding thereto or performing remote control on a vehicle. The vehicle remote control method of embodiments of the present invention can perform remote control on a vehicle by inputting a password instruction without unlocking a mobile terminal, is simple to operate, improves the speed of remotely controlling the vehicle, and decreases the operation difficulty of a user, thereby improving the use experience thereof.
Patent WO-2020168621-A1 (WO)
Title: Taste maintenance method for ice cream machine
Inventor: WANG XINBING
IPC: A23G9/08
Filed: 2019-04-04
Abstract: A taste maintenance method for an ice cream machine. The ice cream machine is provided with a freezing cylinder, a stirring device, a main refrigeration system and a control system. When ice cream ingredients in the freezing cylinder are in a solid-forming stage, the control system controls the ice cream machine to enter a taste maintenance state, wherein the solid-forming stage refers to a stage from the full conversion of the ice cream ingredients in the freezing cylinder into ice cream in an entirely solid state to same reaching a preset hardness or a preset viscosity value; the taste maintenance state refers to the state in which the main refrigeration system refrigerates, at a refrigerating capacity close to a lower limit refrigerating capacity, the ice cream ingredients in the freezing cylinder; and the ice cream machine can discharge, in the taste maintenance state, the ice cream in an entirely solid state, which is in the freezing cylinder.
Patent WO-2020098222-A1 (WO)
Inventor: ZHANG JINGMIN
IPC: F17C13/02
Filed: 2019-04-22
Abstract: A sewer biogas explosion-proof system, comprising an isolation device (1) located below a manhole cover (3), and an embedded water pipe (2). The isolation device comprises a bottom plate (11) and a side plate (12), the area of the bottom plate covers the manhole cover, one side of the isolation device is hinged to a side wall of a manhole tunnel (4), and the periphery thereof is fixed to the top of the manhole tunnel by means of a magnetic chuck located at the top of the side plate. The bottom plate, the side plate and a manhole wall constitute an accommodating box for objects entering from the manhole cover as a whole. By means of the arrangement of the magnetic chuck, the isolation device can be easily opened along a hinged edge, and the embedded water pipe passes through the manhole wall from a position between the bottom plate and the manhole cover and extends to the bottom of the manhole tunnel. The sewer biogas explosion-proof system has a simple overall structure, and is able to effectively prevent a fire source from contacting biogas within the manhole tunnel, avoiding the occurrence of an explosion accident. The isolation device also facilitates the recovery of waste falling into a manhole, prevents contamination of the manhole tunnel and has a good environmental protection effect.
Patent WO-2020133875-A1 (WO)
Inventor: WANG DONG
IPC: H02K1/27
Filed: 2019-05-13
Abstract: 本发明公开了种低惯量内置Flat型永磁伺服电机，所述电机的转子铁芯沿转子铁芯断面圆周方向均匀设置若干孔槽，各孔槽内均设置个永磁体；所述转子侧永磁体是由底面、两个侧面、两个端面和表面构成的多棱柱。所述转子侧永磁体的表面是由两个或两个以上左右对称的平面构成的折曲面，折曲面全部的折边以及表面与两侧面的共同边在转子侧永磁体的横断面上共圆，并且与转子铁芯表面同圆心，所述两个侧边等高。本发明电机，转子侧永磁体表面采用多平面共圆折曲面，可进步提高电机的转矩密度和过载能力，能使气隙磁密更趋向于正弦，电机转子侧易于装配。
Patent WO-2020237462-A1 (WO)
Inventor: LIU JING
IPC: B65H37/04
Filed: 2019-05-27
Abstract: An adhesive strip attaching device comprising a material loading assembly (100) for inputting a product to which an adhesive is to be attached, an adhesive attaching platform (200), a conveying assembly (300), a material discharging assembly (400), and an adhesive attaching assembly (500). The conveying assembly (300) is used to convey the product to the adhesive attaching platform (200) such that the adhesive attaching assembly (500) attaches an adhesive to the product. The conveying assembly (300) is further used to convey the product, to which the adhesive has been attached, in the adhesive attaching platform (200) to the material discharging assembly (400). The adhesive attaching assembly (500) comprises a material loading roller (510), a material discharging roller (520), a cutting unit, and an adhesive feeding unit. The material loading roller (510) is used to wind an adhesive tape to be used. The adhesive tape comprises a double-sided adhesive and a release paper attached to one side of the double-sided adhesive. The material discharging roller (520) is used to pull the release paper to separate the release paper from the double-sided adhesive. The cutting unit is used to cut the double-sided adhesive. The adhesive feeding unit is used to pull the double-sided adhesive, convey the cut double-sided adhesive to the adhesive attaching platform (200), and attach same to a surface of the product. The adhesive strip attaching device corrects an offset of the double-sided adhesive, thereby improving the efficiency of applying an adhesive.
Patent WO-2020007152-A1 (WO)
Inventor: HUANG GUOGANG
IPC: H04W28/04
Filed: 2019-06-04
Abstract: 本申请提供一种数据处理方法、装置及设备，该方法包括：第一多接入点MAP设备从站点STA接收第一信息；所述第一MAP设备根据从第二MAP设备接收的配置信息，处理所述第一信息或者向所述第二MAP设备发送所述第一信息；其中，所述第一MAP设备包括多接入点代理MAPA；所述第二MAP设备包括多接入点控制器MAPC。提高了数据处理的可靠性。
Patent WO-2020119087-A1 (WO)
Inventor: LIU XIN
IPC: G02B5/08
Filed: 2019-07-01
Abstract: A reflective sheet, a backlight module, and a display device, relating to the technical field of display devices. The reflective sheet comprises a first bottom plate (21) and a first inclined plate (22) provided around the edge of the first bottom plate (21). The first bottom plate (21) and the first inclined plate (22) are connected by means of a curved plate (23). The curved plate (23) is provided to protrude along a direction away from the first inclined plate (22).